Model against model
Ifor Williams CT136HD vs Ifor Williams HBX506
Two models people put on the same shortlist. Every figure below is sourced, and where one side has a specification the other does not publish, the row is left out rather than filled with a guess.
Last reviewed 13 September 2026
| Ifor Williams CT136HD | Ifor Williams HBX506 | |
|---|---|---|
| Gross weight | 2,600kg | 2600kg |
| Unladen weight | 510kg | 865kg |
| Internal length | 4.0m | 3.26m |
| Internal width | 1.84m | 1.67m |
Only specifications published for both models appear here. Full Ifor Williams CT136HD figures and full Ifor Williams HBX506 figures.
Choose the CT136HD if...
The CT136HD suits recovery operators, racers and dealers who need a tougher car transporter than the standard CT136, thanks to its heavy-duty beam axles and multi-leaf suspension. Its 4.0m bed and 2.6 tonne gross weight cover most road cars without the cost of a beavertail trailer.
Full specifications →Choose the HBX506 if...
A mid-size horsebox for owners moving one or two horses who want the updated HBX styling and features rather than the standard HB range trailer.
Dealer wrote the range name 'HBX'; the range also includes HBX403 and HBX511. Figures shown are for the mid-size HBX506.
Full specifications →Common questions
What is the difference between the Ifor Williams CT136HD and the Ifor Williams HBX506?
Ifor Williams CT136HD: The CT136HD suits recovery operators, racers and dealers who need a tougher car transporter than the standard CT136, thanks to its heavy-duty beam axles and multi-leaf suspension. Its 4.0m bed and 2.6 tonne gross weight cover most road cars without the cost of a beavertail trailer. Ifor Williams HBX506: A mid-size horsebox for owners moving one or two horses who want the updated HBX styling and features rather than the standard HB range trailer.
Are these figures reliable?
Every figure on this page was read off a manufacturer or established dealer page and is linked to its source. Anything we could not verify is left out rather than estimated. Specifications change by model year and configuration, so confirm with the supplier before relying on them.
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